Whenyoucoughorsneeze,you’dbetterturnyourheadawayfromoth...
问题详情：Whenyoucoughorsneeze,you’dbetterturnyourheadawayfromothersandcoveryourmouthwiththefullpartofyourhand.Andthen,youshouldsay,“Excuseme.”Thisseemssosimple,butitissurprisinghowmanykidshaveneverb...